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- 저자 : Semoon Choi(최세문) (검색결과 1 건)
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Brake disk cooling performance optimization with DFSS
Sangyeol Choi(최상열),Semoon Choi(최세문),Younghoon Kim(김영훈),Yongsuk Kim(김용석) 한국자동차공학회 2012 한국자동차공학회 부문종합 학술대회 Vol.2012 No.5
The cooling performance of ventilated brake disk of vehicle which depends on convective heat transfer rate governed by air flow entering into brake system is the main property to determine the brake disk size. To achieve competitive brake disk size will contribute the mass reduction that is one of most significant challenges for fuel economy in recent automotive industry. To improve the cooling performance of brake disk without disk size increasing, it is obvious that the cooling air flow should be induced to brake system inside wheel rim effectively by design optimization of vehicle front end and underbody configurations. However, there are little correlation studies between vehicle geometry and brake cooling performance. So, it is necessary that it should be preceded to find the correlation with each geometric change. In the present study, DFSS method is used for analyzing which design parameter affect on brake cooling performance and how it works on. According to the results, brake cooling performance is proportional to mass flow rate into wheel and it should be controlled to achieve desired brake sizing and cooling performance.
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